312032302031 has 4 divisors (see below), whose sum is σ = 312563873832. Its totient is φ = 311500730232.

The previous prime is 312032302019. The next prime is 312032302039. The reversal of 312032302031 is 130203230213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312032302031 - 2⁶ = 312032301967 is a prime.

It is a super-2 number, since 2×312032302031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312032301994 and 312032302012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312032302039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265785020 + ... + 265786193.

It is an arithmetic number, because the mean of its divisors is an integer number (78140968458).

Almost surely, 2^312032302031 is an apocalyptic number.

312032302031 is a deficient number, since it is larger than the sum of its proper divisors (531571801).

312032302031 is an equidigital number, since it uses as much as digits as its factorization.

312032302031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531571800.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312032302031 its reverse (130203230213), we get a palindrome (442235532244).

The spelling of 312032302031 in words is "three hundred twelve billion, thirty-two million, three hundred two thousand, thirty-one".